Martina Hingis advanced to the second round of the Australian Open in 1995 at the age of 14 years and 2 weeks.
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Kathy Rinaldi is the youngest ever woman to enter the pro circuit in tennis. She was just 14 years old when she began playing on the Women's Tennis Association circuit.
Jelena Ostapenko is the youngest women to win a grand slam at the 2017 French Open.